package com.hand.hlz25720.homework1;

public class Person {
    private ISay iSay;

    public ISay getiSay() {
        return iSay;
    }

    public void setiSay(ISay iSay) {
        this.iSay = iSay;
    }

    public void say(){
       this.iSay.say();
    }
}
